Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 4 8 2 1 4 8 2 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is cumulatively compounded. separately excited. shunt connected. differentially compounded. cumulatively compounded. separately excited. shunt connected. differentially compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has hysteresis loss of 30 W, at 240 V, 60 Hz. The hysteresis loss at 200 V, 50 Hz will be 36 W. 30 W. 28 W. 25 W. 36 W. 30 W. 28 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc generator operating on load with its brushes on the geometrical neutral axis (GNA), the magnetic neutral axis (MNA) is shifted in the direction of rotation. Now, if the brushes are given a lead of 90° (electrical), then the MNA will shift forward by less than 90° coincide with the GNA shift forward by 90° shift forward by more than 90° shift forward by less than 90° coincide with the GNA shift forward by 90° shift forward by more than 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are slot wedges in a DC machine made of? Cast iron. Mild steel. Silicon steel. Fibre. Cast iron. Mild steel. Silicon steel. Fibre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use DC shunt motor. Universal motor. Partial motor. Slip induction motor. DC shunt motor. Universal motor. Partial motor. Slip induction motor. ANSWER DOWNLOAD EXAMIANS APP
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